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The role of annexin A1 in the modulation of the NLRP3 inflammasome

Galvão, Izabela ; de Carvalho, Renan V. H. ; Vago, Juliana P. ; Silva, Alexandre L. N. ; Carvalho, Toniana G. ; Antunes, Maísa M. ; Ribeiro, Fabiola M. ; Menezes, Gustavo B. ; Zamboni, Dario S. ; Sousa, Lirlândia P. ; Teixeira, Mauro M.

Immunology, 2020-05, Vol.160 (1), p.78-89 [Periódico revisado por pares]

England: Wiley Subscription Services, Inc

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Título:
The role of annexin A1 in the modulation of the NLRP3 inflammasome
Autor: Galvão, Izabela ; de Carvalho, Renan V. H. ; Vago, Juliana P. ; Silva, Alexandre L. N. ; Carvalho, Toniana G. ; Antunes, Maísa M. ; Ribeiro, Fabiola M. ; Menezes, Gustavo B. ; Zamboni, Dario S. ; Sousa, Lirlândia P. ; Teixeira, Mauro M.
Assuntos: Activation ; Administration, Intranasal ; Animals ; annexin A1 ; Annexin A1 - metabolism ; Annexins ; Binding ; Calcium ; Calcium ions ; Cartilage, Articular ; Caspase ; Caspase 1 - metabolism ; Cells, Cultured ; Disease Models, Animal ; Domains ; Gout - chemically induced ; Gout - immunology ; Gout - pathology ; Humans ; IL‐1β ; Immune system ; inflammasome ; Inflammasomes ; Inflammasomes - immunology ; Inflammasomes - metabolism ; Inflammation ; Injections, Intra-Articular ; Innate immunity ; Interleukin ; Interleukin-1beta - metabolism ; Leucine ; Lung - immunology ; Lung - pathology ; Macrophages ; Male ; Mice ; Mice, Knockout ; NLR Family, Pyrin Domain-Containing 3 Protein - metabolism ; NLRP3 ; Nucleotides ; Original ; Phospholipids ; Primary Cell Culture ; Priming ; Protein Binding - immunology ; Pyrin protein ; Receptors ; Silicon Dioxide - administration & dosage ; Silicon Dioxide - toxicity ; Silicosis - immunology ; Silicosis - pathology ; Transcription ; Transcription, Genetic - immunology ; Uric Acid - administration & dosage ; Uric Acid - toxicity
É parte de: Immunology, 2020-05, Vol.160 (1), p.78-89
Descrição: Summary Annexins are well‐known Ca2+ phospholipid‐binding proteins, which have a wide variety of cellular functions. The role of annexin A1 (AnxA1) in the innate immune system has focused mainly on the anti‐inflammatory and proresolving properties through its binding to the formyl‐peptide receptor 2 (FPR2)/ALX receptor. However, studies suggesting an intracellular role of AnxA1 are emerging. In this study, we aimed to understand the role of AnxA1 for interleukin (IL)‐1β release in response to activators of the nucleotide‐binding domain leucine‐rich repeat (NLR) and pyrin domain containing receptor 3 (NLRP3) inflammasome. Using AnxA1 knockout mice, we observed that AnxA1 is required for IL‐1β release in vivo and in vitro. These effects were due to reduction of transcriptional levels of IL‐1β, NLRP3 and caspase‐1, a step called NLRP3 priming. Moreover, we demonstrate that AnxA1 co‐localize and directly bind to NLRP3, suggesting the role of AnxA1 in inflammasome activation is independent of its anti‐inflammatory role via FPR2. Therefore, AnxA1 regulates NLRP3 inflammasome priming and activation in a FPR2‐independent manner. Annexin A1 directly binds to NLRP3 and is required for inflammasome priming and IL‐1β release independent of its anti‐inflammatory role via FPR2.
Editor: England: Wiley Subscription Services, Inc
Idioma: Inglês

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The role of annexin A1 in the modulation of the NLRP3 inflammasome

Galvão, Izabela ; de Carvalho, Renan V. H. ; Vago, Juliana P. ; Silva, Alexandre L. N. ; Carvalho, Toniana G. ; Antunes, Maísa M. ; Ribeiro, Fabiola M. ; Menezes, Gustavo B. ; Zamboni, Dario S. ; Sousa, Lirlândia P. ; Teixeira, Mauro M.

England: Wiley Subscription Services, Inc

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